• Blog Post: VoiceRx: Validating QoS on Lync Endpoints

    The purpose of the VoiceRx series is to give you confidence in the audio quality of your Lync Enterprise Voice deployments. In this NextHop blog series, Microsoft IT and the Lync Product Group share their findings from our own corporate Lync deployment. We describe how we measure audio quality and use...
  • Blog Post: Voice Resiliency in Lync Server 2010

    This article provides an introduction to the new voice resiliency features offered with Microsoft Lync Server 2010. Resiliency architecture will be covered along with the new Survivable Branch Appliance device and scenarios about what the user will experience during a failure. Author: Keith Hanna...
  • Blog Post: Troubleshooting Lync Server 2010 with Snooper: Part 2

    This is part two of four-part series that outlines how to use Snooper to troubleshoot Lync Server 2010. In this video, Josh Jones, a Senior Support Escalation Engineer at Microsoft, explains how to troubleshoot sign-in issues using Snooper. Author : Josh Jones Publication date : April 23, 2012...
  • Blog Post: LyncMD: Lync Users Do Not Hear Ringback Tone for Outbound Calls Through PSTN Gateway

    The Microsoft Support Team works around the clock to assist customers in troubleshooting issues with Lync Server. In each article in this NextHop series, senior Microsoft Support engineers walk you through a real-life support case, giving an insider’s view into the systematic approach they use...
  • Blog Post: Troubleshooting XMPP TCP Dialback Issues with the Communications Server XMPP Gateway

    Troubleshooting XMPP TCP dialback is a bit different than typical server-to-server communication in Communications Server 2007 R2. This article tries to help you troubleshoot XMPP TCP dialback issues if federation with Google Talk or other XMPP domains doesn’t work as expected by using tools such...
  • Blog Post: Update: Microsoft Lync Server 2010 Protocol Workloads Poster

    The Microsoft Lync Server 2010 communications software protocol workloads poster shows the protocols that are used by each workload in Lync Server 2010, describing relationships, dependencies, the servers that initiate connections, and certificate requirements. This poster provides a snapshot of the...
  • Blog Post: Communications Server 2007 R2 SIP Trunking Documentation Roundup

    Office Communications Server 2007 R2 enables an enterprise to connect its voice network directly to an Internet telephony service provider (ITSP) offering public switched telephone network (PSTN) origination and termination over the Internet. This voice configuration eliminates the need for an IP-PSTN...
  • Blog Post: Support for AudioCodes Enterprise Session Border Controllers in Lync Server 2010 and Office Communications Server 2007 R2

    Microsoft Lync Server 2010 communications software and Microsoft Office Communications Server 2007 R2 interoperates with AudioCodes Enterprise Session Border Controllers (SBCs) when used with SIP trunking to Internet telephony service providers (ITSPs). This article describes the supported topologies...
  • Blog Post: Using Asterisk to Supply Standardized On-Hold Music for Office Communications Server 2007 R2

    This article describes how to use Asterisk to supply standardized, company-wide, on-hold music for all your Microsoft Office Communications Server 2007 R2 end-points (softphone or Voice over Internet Protocol (VoIP) phones). Configuring each end-point in Office Communications Server 2007 R2 can be time...
  • Blog Post: Lync Server 2010 Unified Communications Open Interoperability Program

    The Microsoft Unified Communications Open Interoperability Program is now updated for Lync Server 2010. Here you will find information on enterprise telephony services and infrastructure, including qualified SIP Trunking Services, E911 Service Providers, Survivable Branch Appliances, SIP-PSTN gateways...
  • Blog Post: Lync Server 2010 Geographically Dispersed Edge Topology: Part 1

    Deploying Microsoft Lync Server 2010, Edge Servers across a multiple-location organization presents numerous challenges. Lync Server 2010 gives remote users, who are not using a Virtual Private Network (VPN) connection, the ability to take advantage of the same Lync Server 2010 features as users on the...
  • Blog Post: Troubleshooting Lync Server 2010 with Snooper: Part 4

    This is part four of a four-part series that outlines how to use Snooper to troubleshoot Lync Server 2010. In this video, Jigar Dani, a Senior Support Escalation Engineer at Microsoft, uses Snooper to troubleshoot an outbound call failure to a PSTN number. He explains how to analyze log files to determine...
  • Blog Post: Deploying Lync – Jump Start Series

    Check out this three-day course on Lync Server 2010 Configuration and Administration, which Brian R. Ricks and Aaron Steele presented to a worldwide audience of over 500 participants. This 18-part series covers all major Lync Server features and configurations, which will help students prepare for the...
  • Blog Post: Ten Tips (Plus One) for Implementing Lync Server

    IT deployments can get complicated in a hurry. Lync implementations are no exception – especially when your needs go past a simple Lync Server 2010 Standard Edition for internal instant messaging and presence. As complexity ramps up the need for planning and documentation become more critical ...
  • Blog Post: Communications Server 2007 R2 Support for Acme Packet Session Border Controllers

    Office Communications Server 2007 R2 interoperates with Acme Packet Session Border Controllers (SBCs) when used with SIP trunking to Internet telephony service providers (ITSPs). This article describes the supported topologies for using Office Communications Server 2007 R2 with Acme Packet SBCs. Authors...
  • Blog Post: Office Communications Server 2007 R2 Resource Kit Tool: Enterprise Voice Route Helper

    The Office Communications Server 2007 R2 Resource Kit Enterprise Voice Route Helper tool can be used to troubleshoot and manage Microsoft Office Communications Server 2007 R2 enterprise voice policies. Enterprise Voice Route Helper is a versatile tool that can be used to design, implement, back up, and...
  • Blog Post: E9-1-1 Support in Lync Server 2010

    Much of the power of the Microsoft Unified Communications platform is that it is based on SIP. This protocol enables centralization of phone resources or dial tone. SIP uses local number portability to port the local numbers to a SIP Trunk provider that routes calls that are destined to various destinations...
  • Blog Post: Direct SIP: Cisco Unified Communications Manager 7.1

    If you’re looking for an introduction about how to configure Cisco Unified Communications Manager (CUCM) version 7.1.3 with Office Communications Server 2007 R2, this article will help you. The proper way to connect and interoperate the two products is to set up a Direct SIP connection in Office...
  • Blog Post: Configuring a Broadvox SIP Trunk in Communications Server 2007 R2

    Using the integrated voice features in Communications Server 2007 R2 for external telephone calls adds efficiency and call controls when using Office Communicator. However, enabling Enterprise Voice within Communications Server 2007 R2 can be a daunting task. Using a SIP trunk by Broadvox and the following...
  • Blog Post: Configuring an IntelePeer SIP Trunk Solution in Lync Server 2010

    You can implement Microsoft Lync Server 2010 Enterprise Voice functionality that utilizes multiple IntelePeer Session Initiation Protocol (SIP) trunks. Using a listed partner solution on the Microsoft Unified Communications Open Interoperability Program (UCOIP) helps ensure that the solution is tested...
  • Blog Post: SIP Trunking: What Is It? Why Do I Need It? How Do I Deploy It?

    A SIP trunk is a direct connection between your organization and an ITSP. It enables you to extend VoIP telephony beyond your organization's firewall without the need for an IP-PSTN gateway. Additionally, SIP trunks can carry instant messages, multimedia conferences, user presence information, Enhanced...
  • Blog Post: Assigning Telephone Numbers to Lync Enterprise Voice Users

    To provide the best user experience and prepare for future growth, it is important to use the correct numbering format when assigning phone numbers to users. This article describes how to effectively assign phone numbers to Lync Server 2010 Enterprise Voice users. Author : Thomas Binder and Doug Lawty...
  • Blog Post: Lync Server 2010 Response Group Application Frequently Asked Questions

    The Response Group application in Lync Server 2010 provides for treatment, queuing, and routing of inbound calls. This powerful Lync Server application allows incoming calls to be routed to groups of agents using hunt groups or interactive voice response (IVR) questions and answers. As Lync Server 2010...
  • Blog Post: Direct SIP: Cisco Unified Communications Manager 6.1

    If you're looking for an introduction about how to configure Cisco Unified Communications Manager (CUCM) version 6.1.2 with Office Communications Server 2007 R2, this article will help you. The proper way to connect and interoperate the two products is to set up a Direct SIP connection in Office Communications...
  • Blog Post: Voice Quality Improvements in Lync Server 2010

    Microsoft Lync Server 2010 made significant enhancements to the Enterprise Voice workload. This includes improving voice quality in Microsoft Lync Server and its clients. This article briefly discusses these improvements. Author : Taimoor Husain Publication date : April 2011 Product version...